'X-Men: Days of Future Past': Who's In? Who's Out?

Famke Janssen, Jean Grey/Phoenix

Appeared in: "X-Men, "X2: X-Men United," "X3: The Last Stand"Best known for: "Taken," "GoldenEye"Character's Powers: Telepathy and telekinesis, abilities that are greatly enhanced when she transforms into the Phoenix.When we last saw her: Killed by Wolverine in an act of mercy after being overtaken by the Phoenix.In or Out: TBD, though unconfirmed reports have her filming a cameo for James Mangold's "The Wolverine."